i5 3570k 4.5Ghz @ 1.25v, Voltage isn't scaling down along with core speed

Des123 · Jul 8, 2013

I OC'ed with a Gigabyte Z77x-D3H and Hyper 212 evo by

Changing multiplier to 45
Setting Vcore at 1.25
Turbo power limit + core power limit to 45
All the other settings I left at auto

When I'm idling or just web browsing the core speed reduces to about 1.6Ghz however the core voltage remains at 1.25.
Is it healthier for the CPU to scale the voltage down along with the core speed? If so how do I do so?

Idle- 15~20 Celsius
Load- 60 Celsius

luckiest charm · Jul 8, 2013

To be honest that should not happen.

If your clock speed has gone down, it should draw lesser power on its own.
Go to bios and see if there is a Dynamic setting in VCORE tab.

That should fix it. Do you have Graphical User Interface in your bios? If yes then I guess I can help you out as I have Gigabyte board too and know the settings.

Des123 · Jul 8, 2013

luckiest charm :

My bios looks like that (These are not my settings, just a random one i found on google)

Des123 · Jul 8, 2013

For reference here are my load and idle readings

Idle - http://imgur.com/WxbLord

Load - http://imgur.com/1YqITY4

thequn · Jul 8, 2013

check the watts that the CPU its pulling not the volt's,

luckiest charm · Jul 8, 2013

Yeah those are similar to mine.

Go to MIT --> Advanced Frequency Settings --> Advanced CPU Core Features --> Turbo Power Limit and Core Current Limit --> On the blue button type 0 and hit enter. It should get back to auto (Dynamic).

Save and Restart.

ihog · Jul 8, 2013

What about LLC settings, or are they not present in your bios?

Des123 · Jul 9, 2013

ihog :

After a bit of trial and error I set the Vcore at normal which allowed me to adjust the offset voltage to +0.030v and changed LLC to medium. The Vcore is now reducing in proportion to the clock speed I.E. Idle 1.6Ghz -> VID 0.93v, V Core -> 0.94

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i5 3570k 4.5Ghz @ 1.25v, Voltage isn't scaling down along with core speed

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